Nortel Net Direct setPermissions function privilege escalation
| netdirect-permissions-privilege-escalation (32597) |  High Risk |
Description:
Nortel Net Direct could allow a local attacker to gain elevated privileges, caused by a race condition in the setPermissions function of the VPN client. An attacker could exploit this vulnerability to gain root access to the system.
*CVSS:
| Base Score: | 5.6 |
| Access Vector: | Local |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 4.6 |
| Exploitability: | Functional |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Privileges
Remedy:
Current customers should refer to Nortel Networks Security Advisory DOCUMENT ID 2007007751 for patch, upgrade, or suggested workaround information. See References.
References:
- Nortel Networks Security Advisory DOCUMENT ID 2007007751: SSL VPN Net Direct Client for Linux Vulnerability.
- BID-22632: Nortel SSL VPN Net Direct Client Local Privilege Escalation Vulnerability
- CVE-2007-1057: The Net Direct client for Linux before 6.0.5 in Nortel Application Switch 2424, VPN 3050 and 3070, and SSL VPN Module 1000 extracts and executes files with insecure permissions, which allows local users to exploit a race condition to replace a world-writable file in /tmp/NetClient and cause another user to execute arbitrary code when attempting to execute this client, as demonstrated by replacing /tmp/NetClient/client.
- SA24231: Nortel Net Direct Client for Linux Privilege Escalation
- SECTRACK ID: 1017678: Nortel Net Direct SSL VPN Client Race Condition Lets Local Users Gain Root Privileges
- VUPEN/ADV-2007-0671: Nortel Net Direct client for Linux Insecure Permissions Privilege Escalation Vulnerability
Platforms Affected:
- Nortel Alteon 2424 Application Switch
- Nortel Net Direct Client 6.0.1
- Nortel Net Direct Client 6.0.2
- Nortel Net Direct Client 6.0.3
- Nortel SSL VPN Module 1000
- Nortel VPN Gateway 3050
- Nortel VPN Gateway 3070
Reported:
Feb 20, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.